<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			*{
				padding: 0;
				margin: 0;
			}
			#hd{
				width: 800px;
				height: 200px;
				border: 5px solid blue;
				margin: 0 auto;
				position: relative;
			}
			#hd .hd1{
				width: 300px;
				height: 400px;
				background: dodgerblue;
				position: absolute;
				left: 100px;
				top: 30px;
				z-index: 2;
			}
			#houdun{
				width: 800px;
				height: 260px;
				border: 5px solid orange;
				margin: 10px auto;
				position: relative;
			}
			#houdun .houdun1{
				width: 500px;
				height: 160px;
				background: orangered;
				position: absolute;
				left: 20px;
				top: 20px;
			}
			
		</style>
	</head>
	<body>
		
		<div id="hd">www.houdunren.com
			<div class="hd1">hd1</div>
		</div>
		
		<div id="houdun">www.houdunwang.com
			<div class="houdun1">houdun1</div>
		</div>
		
		
		
		
	</body>
</html>
